Odpowiedzi

2009-12-17T17:52:47+01:00
A29+21r=a50
-1+21r=10
21r=11
r=11/21
a29=a1+28r
a1=a29-28r
a1=-47/3
a2=a1+r=-106/7
a3=a2+r=-307/21
a4=a3+r=-296/21